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| author | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2008-05-30 12:27:15 +0000 |
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| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2008-05-30 12:27:15 +0000 |
| commit | f4b41226d60ca57c5981b0a46e0a495152b5301f (patch) | |
| tree | fb3ea7a1cabfc5e4c56ecc1b60eeacd2883a8293 /backend/PPCgenproof1.v | |
| parent | f77e0ade09d8fd17add98c3bc4317627078f3aa8 (diff) | |
| download | compcert-f4b41226d60ca57c5981b0a46e0a495152b5301f.tar.gz compcert-f4b41226d60ca57c5981b0a46e0a495152b5301f.zip | |
Introduction de l'operation intuoffloat (float -> unsigned int). Pas encore utilisee dans le front-end C.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@647 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'backend/PPCgenproof1.v')
| -rw-r--r-- | backend/PPCgenproof1.v | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/backend/PPCgenproof1.v b/backend/PPCgenproof1.v index d3ecbdd8..215a9a7b 100644 --- a/backend/PPCgenproof1.v +++ b/backend/PPCgenproof1.v @@ -1386,6 +1386,11 @@ Proof. split. apply exec_straight_one. repeat (rewrite (freg_val ms sp rs); auto). reflexivity. auto with ppcgen. + (* Ointuoffloat *) + exists (nextinstr (rs#(ireg_of res) <- (Val.intuoffloat (ms m0)) #FPR13 <- Vundef)). + split. apply exec_straight_one. + repeat (rewrite (freg_val ms sp rs); auto). + reflexivity. auto with ppcgen. (* Ofloatofint *) exists (nextinstr (rs#(freg_of res) <- (Val.floatofint (ms m0)) #GPR2 <- Vundef #FPR13 <- Vundef)). split. apply exec_straight_one. |